debian/control: use a single dash in short descriptions
authorAntonio Ospite <ao2@ao2.it>
Thu, 15 May 2014 15:59:15 +0000 (17:59 +0200)
committerAntonio Ospite <ao2@ao2.it>
Thu, 15 May 2014 15:59:15 +0000 (17:59 +0200)
Some packages use two dashes to separate the generic description from
the package specific one, but the majority of packages use only one.


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